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Cellular & Wireless Glossary Glossary Page 11 Off-peak: The period of time after the business day has ended during which carriers may offer reduced airtime charges. Paging: A wireless device feature that allows reception of a signal or alphanumeric message. PCS (Personal Communications Services): Another newer form of wireless telecommunications services. PCS uses a 1.9 GHz radio frequency band and use all digital technology for transmission and reception. Peak: Highest-usage period of the business day when a cellular system carries the most calling traffic. PIN (Personal Identification Number): Used together with SIM card technology to place calls using prepaid cell phones. Portable: A one-piece, self-contained cellular telephone. The newest portable model phones are so small ? weighing as little as 3.1 ounces ? that they can be folded up and carried in a suit pocket or purse. Portables normally have built-in antennas and a rechargeable battery. POTS (Plain-Old-Telephone-Service): The technical name for the traditional wired, land based telephone service. |
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